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1.发明授权公开(公告)号：US09752575B2
公开(公告)日：2017-09-05
申请号：US14750121
申请日：2015-06-25
Applicant: SNECMA
Inventor： Philippe Vertenoeuil
CPC classification number: F04C11/005 , F02M37/041 , F04C2/084 , F04C2/14 , F04C2/18 , F04C11/001 , F04C11/006 , F04C13/001 , F04C15/0061 , F04C2210/1044 , F04C2210/203 , F04C2240/54 , F04C2240/60 , F04D13/12
Abstract: A two stage pump (2′, 4′), where the high pressure stage (4′) is a gear pump (11, 12), comprises a driving of the other stage (2′) by a support shaft (74), mounted in the driven pinion (12), the shaft (74) being driven by the drive shaft (21), by means of a pair of toothed wheels (77, 79) adjacent to the rest of the stage (4′), which can allow different rotation speeds between the two stages (2′, 4′). The support shaft (74) may be supported by stops and hydrodynamic bearings, directly integrated and lubricated in the driven pinion, which make the design lighter and more compact. The shaft (74) and the toothed wheels (77, 79) ingeniously transmit the loads from the stage (2′) to the stage (4′) in such a way as to cancel out the usual hydraulic loads, stemming from pressure, and mechanical, forces stemming from rotational drivings on the driven pinion (12).
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公开(公告)号：US08801410B2
公开(公告)日：2014-08-12
申请号：US13035004
申请日：2011-02-25
Applicant: Satish Shantilal Shah , Timothy P. Walgren
Inventor： Satish Shantilal Shah , Timothy P. Walgren
CPC classification number: F04C15/0088 , F02C7/22 , F02M37/041 , F04C2/08 , F04C2/14 , F04C2/18 , F04C15/0057 , F04C15/0061 , F04C2230/60 , F04C2240/60 , F04C2240/603 , F05D2220/32 , F16C3/02 , F16C2360/42 , F16D1/00 , F16D1/06 , Y10T29/49236 , Y10T403/7026 , Y10T403/7035 , Y10T403/7037
Abstract: A coupling shaft assembly includes a coupling shaft with a first radial shoulder and a second radial shoulder, the first radial shoulder and the second radial shoulder each include at least one slot to provide a lubricant flow path.
Abstract translation: 耦合轴组件包括具有第一径向肩部和第二径向肩部的联接轴，第一径向肩部和第二径向肩部各自包括至少一个狭槽以提供润滑剂流动路径。
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3.发明授权公开(公告)号：US06186746B1
公开(公告)日：2001-02-13
申请号：US09029493
申请日：1998-07-27
Applicant: Stanislaw Bodzak , Hanspeter Mayer
Inventor： Stanislaw Bodzak , Hanspeter Mayer
IPC: F04F544
CPC classification number: F02M37/041 , F02M37/20 , F04B53/06 , F04C13/007
Abstract: A fuel delivery pump for a fuel injection pump for internal combustion engines, including a pair of gears that mesh with each other and are driven to rotate in a pump chamber. The pair of gears deliver fuel from an intake chamber connected to a storage tank, along a supply conduit that is formed between the end face of the gears and the circumference wall of the pump chamber, into a pressure chamber connected to the fuel injection pump. A conduit is provided that connects the intake chamber to the pressure chamber. The conduit can be connected to a ventilation device, and that upstream and downstream of the ventilation device, a pressure valve is provided for a directed fuel flow in the conduit.
Abstract translation: 一种用于内燃机的燃料喷射泵的燃料输送泵，包括一对彼此啮合并被驱动以在泵室中旋转的齿轮。 一对齿轮沿着形成在齿轮的端面和泵室的周壁之间的供应管道，从连接到储罐的进气室输送燃料，进入连接到燃料喷射泵的压力室。 提供了将进气室连接到压力室的导管。 导管可以连接到通风装置，并且通气装置的上游和下游设置有压力阀用于导管中的定向燃料流。
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公开(公告)号：US6050795A
公开(公告)日：2000-04-18
申请号：US881283
申请日：1997-06-24
Applicant: Stanislaw Bodzak , Hanspeter Mayer , Theodor Stipek
Inventor： Stanislaw Bodzak , Hanspeter Mayer , Theodor Stipek
CPC classification number: F04C14/28 , F02M37/04 , F02M37/041 , F04C15/0061 , F05C2225/04
Abstract: The invention relates to a fuel feed pump for a fuel injection pump for internal combustion engines, having a pair of gear wheels that mesh with one another and are driven to rotate in a pump chamber. The pair of gear wheels pump fuel out of an intake chamber that communicates with a supply tank along a feed conduit, formed between the end face of the gear wheels and the circumferential wall of the pump chamber, into a pressure chamber that communicates with the fuel injection pump. One gear wheel is secured to a shaft is driven to rotate by means of a drive element that engages the shaft, wherein the drive element can be connected to the shaft by an overload safety device.
Abstract translation: 本发明涉及一种用于内燃机的燃料喷射泵的燃料供给泵，其具有彼此啮合并被驱动以在泵室中旋转的一对齿轮。 一对齿轮将燃料从进气室中抽出，该进气室与形成在齿轮的端面和泵室的周壁之间的进料管道与供应罐连通，进入与燃料连通的压力室 注射泵。 一个齿轮被固定到轴上，该轴被驱动以通过接合轴的驱动元件旋转，其中驱动元件可以通过过载安全装置连接到轴上。
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公开(公告)号：US5997262A
公开(公告)日：1999-12-07
申请号：US833931
申请日：1997-04-10
Applicant: Steven P. Finkbeiner , Kirk D. Fournier , George E. Maroney , Glenn A. Moss
Inventor： Steven P. Finkbeiner , Kirk D. Fournier , George E. Maroney , Glenn A. Moss
CPC classification number: F04C15/06 , F02M37/041 , F04C11/008 , F04C2/086 , F04C2/102 , F04C2240/805
Abstract: An in-tank type electric motor fuel pump with a fuel inlet end cap, a fuel outlet cap, a case coaxially joining the end caps to form a pump housing, an electric motor mounted in the housing having a stator with spring-retained permanent field magnets surrounding the motor armature, and a gerotor pump in the housing rotatably driven by the motor armature. An inlet port plate, an outlet port plate and a cam ring sandwiched between the plates form a gerotor pocket axially between the plates, and inner and outer gear rotors are disposed in the pocket with intermeshing teeth defining circumferentially disposed expanding and ensmalling pumping chambers. A pair of alignment and fastening screw pins are the sole hardware for clamping the plates and cam ring in tightly sandwiched relationship and holding the pump unit together in properly axially, radially and angularly oriented component relationship in precision final assembly as an operable gerotor pump. The screw pins each have a cylindrical smooth surface shank portion precision fitting in smooth wall precision aligned bores in the plates and cam ring. The screw pin threaded end threadably engages a threaded portion of the inlet plate bore hole that is slightly reduced in diameter relative to the smooth surface bore holes. The radial tolerances between the pin and inlet plate hole threads are larger than that between the pin shank smooth portion and the associated smooth surface alignment bores in the plates and cam ring to prevent alignment distortion from thread seating stresses. The screw pins also have axially elongated and slotted screw heads that serve as fail-safe stops limiting loosening motion of the magnets. The pump rotors have predetermined fixed assembly axial and radial clearance dimensions relative to the pump plates and cam ring respectively established and maintained in assembly by the screw pins fitment in the plates and cam ring.
Abstract translation: 一种具有燃料入口端盖，燃料出口盖的壳内型电动机燃料泵，同轴地连接端盖以形成泵壳体的壳体，安装在具有弹簧保持永久场的定子的壳体中的电动机 围绕电动机电枢的磁体以及由电动机电枢可旋转地驱动的壳体中的摆线泵。 入口端口板，出口端口板和夹在板之间的凸轮环在板之间形成轴向的齿轮箱，并且内齿轮转子和外齿轮转子设置在凹口中，啮合齿限定周向设置的膨胀和固定泵送室。 一对定位和紧固螺钉是用于将板和凸轮环紧紧夹紧的唯一硬件，并将泵单元保持在适当的轴向，径向和角度定向的组件关系中，作为可操作的运转泵。 螺丝销各有一个圆柱形光滑表面柄部分精密配合在光滑的墙壁精密对齐的孔和凸轮环中。 螺纹销螺纹端部与入口板钻孔的螺纹部分螺纹接合，该螺纹部分相对于平滑表面孔孔的直径略微减小。 销和入口板孔螺纹之间的径向公差大于销柄平滑部分和板和凸轮环中相关联的平滑表面对准孔之间的径向公差，以防止螺纹座应力的对准变形。 螺钉销还具有轴向细长和开槽的螺钉头，其用作限制磁体的松动运动的故障安全停止。 泵转子相对于泵板和凸轮环具有预定的固定的组装轴向和径向间隙尺寸，分别通过螺钉销装配在板和凸轮环中而建立并保持。
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Patent Agency Ranking
公开(公告)号：US5797734A
公开(公告)日：1998-08-25
申请号：US756617
申请日：1996-11-26
Applicant: Thomas L. Kizer , Richard G. Reed, Jr.
Inventor： Thomas L. Kizer , Richard G. Reed, Jr.
CPC classification number: F02M37/041 , F04C11/001 , F04C2/102
Abstract: A gear-type pump having an inner rotor and an outer rotor and in which the outer rotor is supported for rotation by a plurality of roller bearings interposed between a support housing and the outer rotor and in which the inner and outer rotors and the support housing are made of the same material and have essentially the same width dimension so that the thermal contraction of the support housing and the thermal contraction of the inner and outer rotors while pumping super-cooled fluid does not adversely affect the end-clearance between the end plates and the inner and outer rotors to an extent where the efficiency of the pump would differ if it were pumping fluid at a temperature of 70 degrees Fahrenheit.
Abstract translation: 一种具有内转子和外转子的齿轮式泵，其中外转子被支承在支承壳体和外转子之间的多个滚子轴承转动，其中内外转子和支承壳体 由相同的材料制成并且具有基本上相同的宽度尺寸，使得当泵送超冷却流体时支撑壳体的热收缩和内外转子的热收缩不会不利地影响端板之间的端部间隙 以及如果在70华氏度的温度下泵送流体，则内部和外部转子达到泵的效率将不同的程度。
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公开(公告)号：US3212449A
公开(公告)日：1965-10-19
申请号：US30174063
申请日：1963-08-13
Applicant: BORG WARNER
Inventor： WHALEN JOHN M , CANFIELD JR CARL R
CPC classification number: F02M37/20 , F02M37/041 , F04C15/0053
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公开(公告)号：US20170089338A1
公开(公告)日：2017-03-30
申请号：US15373582
申请日：2016-12-09
Applicant: Hamilton Sundstrand Corporation
Inventor： Satish Shantilal Shah , Timothy P. Walgren
CPC classification number: F04C15/0088 , F02C7/22 , F02M37/041 , F04C2/08 , F04C2/14 , F04C2/18 , F04C15/0057 , F04C15/0061 , F04C2230/60 , F04C2240/60 , F04C2240/603 , F05D2220/32 , F16C3/02 , F16C2360/42 , F16D1/00 , F16D1/06 , Y10T29/49236 , Y10T403/7026 , Y10T403/7035 , Y10T403/7037
Abstract: A method of lubricating a coupling shaft of a gear pump includes communicating lubricant from a first gear stage along a first splined end section of the coupling shaft and through a first slot in a first radial shoulder of the coupling shaft, and also communicating lubricant from a second gear stage along a second splined end section of the coupling shaft and through a second slot in a second radial shoulder of the coupling shaft. The first radial shoulder is axially spaced from the second radial shoulder by an axial distance SA along an axis of rotation of the coupling shaft. The first and second slots each define a lowermost radial dimension SR from the axis of rotation, with a ratio SR/SA of 0.25-0.77.
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公开(公告)号：US20120219447A1
公开(公告)日：2012-08-30
申请号：US13035004
申请日：2011-02-25
Applicant: Satish Shantilal Shah , Timothy P. Walgren
Inventor： Satish Shantilal Shah , Timothy P. Walgren
CPC classification number: F04C15/0088 , F02C7/22 , F02M37/041 , F04C2/08 , F04C2/14 , F04C2/18 , F04C15/0057 , F04C15/0061 , F04C2230/60 , F04C2240/60 , F04C2240/603 , F05D2220/32 , F16C3/02 , F16C2360/42 , F16D1/00 , F16D1/06 , Y10T29/49236 , Y10T403/7026 , Y10T403/7035 , Y10T403/7037
Abstract: A coupling shaft assembly includes a coupling shaft with a first radial shoulder and a second radial shoulder, the first radial shoulder and the second radial shoulder each include at least one slot to provide a lubricant flow path.
Abstract translation: 耦合轴组件包括具有第一径向肩部和第二径向肩部的联接轴，第一径向肩部和第二径向肩部各自包括至少一个狭槽以提供润滑剂流动路径。
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公开(公告)号：US20070098586A1
公开(公告)日：2007-05-03
申请号：US11261891
申请日：2005-10-28
Applicant: John Clark
Inventor： John Clark
CPC classification number: F04C15/0042 , F02M37/041 , F04C2/084 , F04C2/18 , F05C2201/0478
Abstract: A spur-gear type fuel pump for vehicles is disclosed having a pair of interengaged gears contacting an interior surface of a pump body cavity for capturing fuel between teeth of the gears and the interior surface. The gears have a concentrically ground face that is flush against and slides over the interior surface to generally prevent or restrict fuel bleed or leakage across the interface and from between the teeth of the gears.
Abstract translation: 公开了一种用于车辆的正齿轮式燃料泵，其具有与泵体腔体的内表面接触的一对相互啮合的齿轮，用于在齿轮的齿与内表面之间捕获燃料。 这些齿轮具有与内表面齐平并在内表面上滑动的同心圆磨面，以大体上防止或限制通过界面和齿轮齿之间的燃油渗出或泄漏。
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